Remove leading underscore from protected property
Remove leading underscore from protected property

The leading underscore goes against the style guide

railto/joindin-api,joindin/joindin-api,heiglandreas/joindin-api,railto/joindin-api,lornajane/joindin-api,heiglandreas/joindin-api,lornajane/joindin-api,railto/joindin-api,dstockto/joindin-api,dstockto/joindin-api,joindin/joindin-api,lornajane/joindin-api,joindin/joindin-api,heiglandreas/joindin-api,dstockto/joindin-api